In the 1940s, ATC centres could and did take advantage of the newly developed radar and improved radio communication brought about by the Second World War, but the system remained rudimentary.

在20世纪40年代，空中交通管制中心能够而且确实利用了第二次世界大战中新研制的雷达和改进的无线电通讯，但是这个系统还处于初级阶段。

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The radio channels were filled with the excited, jabbering voices of men going to war.

收音机各波段满是即将参战的男人们激动喧哗的声音。

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He was a wire service reporter covering major campaigns of World War II before working in radio and then joining a pioneering TV news venture at the CBS affiliate in Washington.

他在电台工作前曾在一家通讯社担任记者，负责报道二次世界大战的重大活动，之后他加入了CBS在华盛顿的一个电视新闻创业公司。

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One time,after World War Two ended, he brought his radio show to soldiers waiting at a base in California to return to civilian life.

VOA: special.2009.03.09

During the period of the Cold War, an estimated 30 million people in Eastern Europe and the Soviet Union listened to him on the radio.

VOA: special.2009.01.30

This used to happen with radio, when War of the Worlds could cause a national panic.

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"He listened to King George VI on the radio in the war, and he thought, 'well, if a king can overcome his stammer, so can I', " Hooper said.

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So did every Arab with a radio, throughout the war, as it was the most popular programming in the Middle East.

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